MATomlinson:
Evan Strickland, Mallory Mayeux, and Jake McLeod aboard a Mazatec taxi, Oaxaca, Mexico
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Matthew Garrett honors the previous expeditions at the local tienda outside San Augustin, Oaxaca, Mexico
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Easter market in Huautla de Jiménez, Oaxaca, Mexico
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Adam Byrd greets the morning in San Augustin, Oaxaca, Mexico
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sunrise on the Mazatec roads of Huautla de Jiménez, Oaxaca, Mexico
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looking across the Sotano de Rio Inglesia at sunrise, Oaxaca, Mexico
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Sotano de San Augustin, Oaxaca, Mexico
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exploring a new area, Oaxaca, Mexico
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PESH members taking a break, Oaxaca, Mexico
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PESH 2015 members hike through corn fields into Sotano de San Augustin, Oaxaca, Mexico
MATomlinson:
Matthew Garrett at the lip of the San Augustin Entrance to Sistema Huautla, Oaxaca, Mexico
MATomlinson:
Jacquelin Hawk negotiates down the San Augustin entrance of Sistema Huautla, Oaxaca, Mexico
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San Augustin entrance of Sistema Huautla, Oaxaca, Mexico
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lower Metro passage, San Augustin section of Sistema Huautla, Oaxaca, Mexico
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Andreas Klocker in the Metro 1, Sistema Huautla, Oaxaca, Mexico
MATomlinson:
Andreas Klocker in the Metro 2, Sistema Huautla, Oaxaca, Mexico
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Adam Byrd, Kasia Biernacka, and Gilly Elor celebrate Anthodite Hall, Sistema Huautla, Oaxaca, Mexico
MATomlinson:
Andreas Klocker with the Anthodites, San Augustin section of Sistema Huautla, Oaxaca, Mexico
MATomlinson:
Adam Byrd crawls through new passage, La Grieta section of Sistema Huautla, Oaxaca, Mexico
MATomlinson:
Mike Green humbly displays his muddy armhair dreds, La Grieta section of Sistema Huautla, Oaxaca, Mexico
MATomlinson:
Adam Byrd cheeses for the camera, La Grieta section of Sistema Huautla, Oaxaca, Mexico
MATomlinson:
me after a night in a shit bivy at Camp 3, Sistema Huautla, Oaxaca, Mexico